change simulation error message
checkstyled LEGridView
Merge branch 'scrolling_platformer' of https://github.com/duke-compsci308-spring2013/vooga into scrolling_platformer
checkstyling util.view
troubleshot simulation and change sequence
Merge branch 'scrolling_platformer' of https://github.com/duke-compsci308-spring2013/vooga into scrolling_platformer
fixed conflicts